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Hydraulics - Section 1 (5)

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Hydraulics - Section 1

In this section, you will get important MCQs of Hydraulics and you can solve them
to check the aptitude ability. We provide all the important MCQs to the students.

33. 

Product of Renold number, Froud's number and Mach number is :

A. 160-7.245-1
B. 160-7.245-2
C. 160-7.245-3
D. 160-7.245-4

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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34. 

The shear stress distribution in viscous fluid through a circular pipe is :

A. maximum at the centre
B. maximum at the inside of surface
C. same throughout the section
D. none of these.

Answer: Option C

Explanation:

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35. 

The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is

A. 0.5
B. 0.75
C. 1.25
D. 2.00

Answer: Option D

Explanation:

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36. 

Critical depth (h) of a channel, is

A. 155-7.188-1
B. 155-7.188-2
C. 155-7.188-3
D. 155-7.188-4

Answer: Option A

Explanation:

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37. 

Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is

A. 151-7.132-1
B. 151-7.132-2
C. 151-7.132-3
D. 151-7.132-4

Answer: Option D

Explanation:

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38. 

The moment of inertia of a floating body along its longitudinal axis and the volume of water displaced by it are I and V respectively. The height of the metacentre above centre of buoyancy of the body, is

A. 156-7.204-1
B. 156-7.204-2
C. 156-7.204-3
D. 156-7.204-4
E. 156-7.204-5

Answer: Option C

Explanation:

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39. 

Unit of kinematic viscosity is

A. m2/sec
B. Newton sec/m2
C. Newton sec/m3
D. Kg sec/m2.

Answer: Option A

Explanation:

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40. 

Most economical section of a circular channel for maximum discharge

A. depth of water = 0.95 diameter of circular section
B. hydraulic mean depth = 0.286 diameter of circular section
C. wetted perimeter = 2.6 diameter of circular section
D. wetted perimeter = 2.83 depth of water
E. all the above.

Answer: Option E

Explanation:

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